If the strength of the magnetic field at A is 64 units, the strength of the magnetic field at B is _____. 16 units 32 units 128 units 256 units

asked Jun 10, 2019 171k views

3 votes

If the strength of the magnetic field at A is 64 units, the strength of the magnetic field at B is _____.

16 units
32 units
128 units
256 units

6.8k points

Please log in or register to add a comment.

4 votes

Magnetic force obeys an inverse square law with distance. Double the distance, the strength is 1/4 = 64/4 = 16

Sreekar answered Jun 12, 2019

8.0k points

2 votes

the answer is 16 units

Simaofreitas answered Jun 16, 2019

7.6k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.5m questions

11.2m answers